Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Douglas S Wong, M.D.
Specialist in Fresno, CA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1699778399
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Registry record
Entity type Individual (Type 1)
Name Dr. Douglas S Wong
Credential M.D.
Sex Male
Practice address 7130 N Millbrook Ave, Fresno, CA, 93720
Phone (559) 450-5500
Fax (559) 450-7473
Enumeration date May 27, 2005
Last updated in NPPES Jul 20, 2015
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00G454870 | Medicaid | CA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Douglas Wong practice?
The practice location on file with NPPES is in Fresno, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Douglas Wong?
The National Provider Identifier (NPI) for Douglas Wong is 1699778399, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Marshall Flam Hematology & Oncology Physician · Fresno, CA NPI 1891789004 Peter Wittlinger Hematology & Oncology Physician · Fresno, CA NPI 1609860808 Leonard Hackett Hematology & Oncology Physician · Fresno, CA NPI 1669466868 David Koster Hematology & Oncology Physician · Fresno, CA NPI 1063406163 Jedidiah Monson Radiation Oncology Physician · Fresno, CA NPI 1669455390 Ravi Rao Hematology & Oncology Physician · Fresno, CA NPI 1417927054 Madhu John Radiation Oncology Physician · Fresno, CA NPI 1588639702 Advanced Radiation Oncology Services, Medical Corporation Radiation Oncology Clinic/Center · Fresno, CA NPI 1346215571
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-20.